Mavic r sys wts road front wheel light and stiff as ever further enhanced by the griplink powerlink yksion pro tyres r sys remains as light and as stiff as ever thanks to the exclusive tracomp technology these unique characteristics are now boosted by our yksion pro griplink and yksion pro powerlink tyres completing the overall wts design impact light wheel tyre system light rims ism machining light spokes carbon light tyres 127 tpi casing highly responsive high energy transfer trac